:root {
            --primary: #0056a9;
            --secondary: #da251c;
            --accent: #f8c300;
            --dark: #222222;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background: #004080;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: var(--secondary);
        }
        .btn-secondary:hover {
            background: #b01c15;
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        .logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: -1px;
        }
        .logo span {
            color: var(--secondary);
        }
        .logo:hover {
            opacity: 0.9;
        }
        .search-box {
            display: flex;
            max-width: 400px;
            flex-grow: 1;
            margin: 0 30px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 20px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #004080;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }
        nav {
            padding: 15px 0;
        }
        .nav-links {
            display: flex;
            justify-content: center;
            gap: 30px;
        }
        .nav-links a {
            font-weight: 600;
            color: var(--dark);
            position: relative;
            padding: 5px 0;
        }
        .nav-links a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
            transition: width 0.3s ease;
        }
        .nav-links a:hover:after,
        .nav-links a.active:after {
            width: 100%;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #f8f9fa;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 10px;
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
        }
        .article-header h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--primary);
            line-height: 1.2;
        }
        .article-meta {
            color: var(--gray);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        article h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 30px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        article h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 25px 0 15px;
        }
        article p {
            margin-bottom: 20px;
            text-align: justify;
        }
        article strong {
            color: var(--primary);
        }
        .highlight-box {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .group-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .group-card {
            background: white;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }
        .group-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .group-card h3 {
            color: var(--secondary);
            margin-bottom: 15px;
        }
        .team-list {
            text-align: left;
        }
        .team-list li {
            padding: 8px 0;
            border-bottom: 1px dashed #eee;
            display: flex;
            justify-content: space-between;
        }
        .team-list li:last-child {
            border-bottom: none;
        }
        .flag {
            font-size: 1.2rem;
            margin-right: 10px;
        }
        .feature-img {
            margin: 30px 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            position: relative;
        }
        .feature-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .feature-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .related-links {
            background: #f8f9fa;
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .related-links h3 {
            color: var(--dark);
            margin-bottom: 15px;
        }
        .related-links ul {
            columns: 2;
        }
        .related-links li {
            margin-bottom: 10px;
        }
        .related-links a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .related-links a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        .interactive-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 5px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            justify-content: space-between;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin: 10px 0;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: var(--accent);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 15px;
            color: white;
        }
        .footer-about p {
            color: #bbb;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin-top: 20px;
        }
        friend-link h4 {
            color: white;
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        friend-link ul li {
            margin-bottom: 10px;
        }
        friend-link a {
            color: #bbb;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #bbb;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .related-links ul {
                columns: 1;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                margin: 15px 0 0;
                max-width: 100%;
            }
            .mobile-toggle {
                display: block;
            }
            nav {
                display: none;
                padding: 0;
            }
            nav.active {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                gap: 0;
            }
            .nav-links li {
                border-bottom: 1px solid #eee;
            }
            .nav-links a {
                display: block;
                padding: 15px 0;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .group-grid {
                grid-template-columns: 1fr;
            }
        }